With an output of 7.5 W at 110 V this circuit was found in a 1968 Motorola documentation. The circuit has an operating range of 95 to 2 000 Hz.
The CMOS 4046 integrated circuit is seldom used, both due to the difficulty of finding it and the...
This circuit was obtained in a documentation for radio amateurs in 1974. The coil consists of 12...
E) The interesting thing about this circuit found in a 1985 English magazine is that it controls the...